Article having fumigant containing substrate for diffusion promoting candle

Claim 2

AN ARTICLE OF MANUFACTURE COMPRISING A SUBSTRATE, A COATING ON AT LEAST PART OF AT LEAST ONE SURFACE OF SAID SUBSTRATE, SAID COATING CONSISTING ESSENTIALLY OF A MIXTURE OF AT LEAST ONE FUMIGANT AND AT LEAST ONE CARRIER IN PARTICULATE FORM, SAID MIXTURE BEING DISPERSED IN A BLINDER HAVING A MELTING POINT OF ABOUT 100* TO ABOUT 300* C, SAID COATING BEING AT LEAST PARTIALLY PERMEABLE TO PERMIT THE ESCAPE OF THE FUMIGANT TO THE SURROUNGING ATMOSPHERE WHEN SAID COATING IS EXPOSED TO THE THERMAL ENERGY OF A LIGHTED CANDLE.

Claim 3

Article of claim 1 in which the substrate is of hollow cylindrical shape.

Claim 4

Article of claim 2 in which the substrate is about 6 cm internal diameter.

Claim 5

Article of claim 2 in which the substrate is wax, glass, ceramic, earthenware, plastic or metal.

Claim 6

Article of claim 3 in which the substrate is wax, glass, ceramic, earthenware, plastic or metal.

Claim 7

Article of claim 4 in which the fumigant is an incense, a perfume, a medicament, an insecticide or an insect repellent.

Claim 8

Article of claim 5 in which the fumigant is an incense, a perfume, a medicament, an insecticide or an insect repellent.

Claim 9

Article of claim 1 in which said carrier is calcium sulfate, talc, silica gel, titanium dioxide, iron oxide or bentonite.

Claim 10

Article of claim 1 in which said binder is carboxy methyl cellulose, polyvinyl alcohol, polyvinyl acetate or hydroxy propyl cellulose.

Claim 11

Article of claim 8 in which said binder is carboxy methyl cellulose, polyvinyl alcohol, polyvinyl acetate or hydroxypropyl cellulose.

Claim 12

Article of claim 10 in which the coating contains a colorant.

Claim 13

Article of claim 11 in which the coating contains a filler.

Claim 14

Article of claim 12 in which the coating contains a plasticizer.

Claim 15

In combination, the article of claim 4 and a candle, said surface bearing said fumigant being substantially parallel to a longitudinal axis of said candle and wherein said fumigant is diffusible from said article when said coating is exposed to thermal energy from said candle when lighted.

Claim 16

In combination, the article of claim 8 and a candle, said surface bearing said fumigant being substantially parallel to a longitudinal axis of said candle and wherein said fumigant is diffusible from said article when said coating is exposed to thermal energy from said candle when lighted.

Claim 17

In combination, the article of claim 10 and a candle, said surface bearing said fumigant being substantially parallel to a longitudinal axis of said candle and wherein said fumigant is diffusible from said article when said coating is exposed to thermal energy from said candle when lighted.

Claim 18

In combination, the article of claim 11 and a candle, said surface bearing said fumigant being substantially parallel to a longitudinal axis of said candle and wherein said fumigant is diffusible from said article when said coating is exposed to thermal energy from said candle when lighted.

Claim 19

In combination, the article of claim 1 and a candle, a longitudinal axis of said surface bearing said fumigant being substantially parallel to a longitudinal axis of said candle, and wherein said fumigant is diffusible from said article when said coating is exposed to thermal energy from said candle when lighted.

Claim 20

Article according to claim 1 in which said fumigant is in an amount of about 0.2 - 8 weight percent based on the weight of the binder.

Claim 21

Article according to claim 19 in which the fumigant is about 2.5 - 3.5 weight percent.

Claim 22

Article according to claim 20 in which the fumigant is about 3 weight percent.

Claim 23

Article according to claim 2 in which said cylinder has a diameter of about 3 - 10 cm.

Claim 24

Article according to claim 22 in which said diameter is about 5 - 7 cm.

Claim 25

Article according to claim 1 in which said fumigant is an encapsulated liquid.

Claim 26

Article according to claim 24 in which said fumigant is microencapsulated in a gelatin.

Claim 27

Article according to claim 1 in which said fumigant diffuses into surrounding atmosphere by vaporization or sublimation after exposure of said article to the thermal energy from a lighted candle.

Claim 28

An article of manufacture comprising a substrate, a coating on at least part of at least one surface of said substrate, said coating consisting essentially of a mixture of: a. at least one fumigant; b. at least one carrier in particle form selected from the group consisting of calcium sulfate, talc, silica gel, dicalcium phosphate, kaolin, titanium dioxide, iron oxide and bentonite; and c. a binder having a melting point of about 100* to about 300*C, wherein said binder is a polymer of methyl acrylate, ethyl acrylate, n-butyl acrylate, methyl methacrylate, isobutyl acrylate, t-butyl acrylate, 2-ethyl hexyl acrylate, 2-ethoxyethyl acrylate, 2-hydroxy propyl acrylate, ethyl methacrylate, butyl methacrylate or a copolymer comprised of said monomers, and further wherein said fumigant is diffusible from said article into surrounding atmosphere upon exposure of said article to the thermal energy of a lighted candle.

Claim 29

An article of manufacture comprising a substrate, a coating on at least part of at least one surface of said substrate, said coating consisting essentially of a mixture of: a. at least one fumigant; b. at least one carrier in particle form selected from the group consisting of calcium sulfate, talc, silica gel, dicalcium phosphate, kaolin, titanium dioxide, iron oxide and bentonite; and c. a binder having a melting point of about 100* to about 300*C, wherein said binder is a polymer of methyl acrylate, ethyl acrylate, n-butyl acrylate, methyl methacrylate, isobutyl acrylate, t-butyl acrylate, 2-ethyl hexyl acrylate, 2-ethoxyethyl acrylate, 2-hydroxy propyl acrylate, ethyl methacrylate, butyl methacrylate or a copolymer comprised of said monomers, and further wherein said fumigant is diffusible from said article into surrounding atmosphere upon exposure of said article to the thermal energy of a lighted candle.

Claim 30

Article according to claim 27 in which said fumigant is an incense, perfume, medicament, insecticide or insect repellent.

Claim 31

Article according to claim 28 in which said coating has a thickness of about 1 - 5 mm.

Claim 32

An article according to claim 29 in which said substrate is of hollow cylindrical shape having an inside diameter of about 3 - 10 cm.

Claim 33

Article according to claim 30 in which said substrate is frosted glass.

Claim 34

Article according to claim 31 in which said coating contains a plasticizer for said binder.

Claim 35

Article according to claim 31 in which said fumigant is an encapsulated liquid.

Claim 36

Article according to claim 33 in which said fumigant is microencapsulated in a gelatin.

Claim 37

Article according to claim 28 in which said fumigant is present in an amount of about 0.2 - 8 weight percent based on the weight of the binder.

Claim 38

In combination, the article of claim 27 and a candle, a longitudinal axis of said surface bearing said fumigant being substantially parallel to a longitudinal axis of said candle, and wherein said fumigant is diffusible from said article when said coating is exposed to thermal energy from said candle when lighted.

Claim 39

In combination, the article of claim 31 and a candle, a longitudinal axis of said surface bearing said fumigant being substantially parallel to a longitudinal axis of said candle, and wherein said fumigant is diffusible from said article when said coating is exposed to thermal energy from said candle when lighted.